Evaluation of 2 self-administered questionnaires to ascertain dermatitis among metal workers and its relation with exposure to metalworking fluids

We performed an exploratory study to evaluate 2 self-administered questionnaires assessing hand dermatitis and investigate a possible exposure-response relationship between dermal exposure to semi-synthetic metalworking fluids (SMWF) and dermatitis. In a cross-sectional survey on dermatitis, a symptom-based questionnaire and a picture-based skin...

Sewing machine operation: Workstation adjustment, working posture, and workers’ perceptions

At a traditional sewing machine workstation professional operators worked at ten different combined adjustments of table height, desk slope, and pedal position. Working posture and workers’ perceptions were measured. Two recommendations were formulated in order to minimize the load on the musculoskeletal system during operation, i.e. (1) the...

Control performance with three translational degrees of freedom

For multiple DOF systems, it is important to detemine how accurately operators can control each DOF, and what the influence of the perceptual, information processing and psychomotor components on performance is. Sixteen right-handed male students participated in 2 experiments: one involving positioning and one involving tracking with 3...